The btime field of /proc/stat is documented in proc(5) as the boot time in
seconds since the Epoch. But running watch -n 1 cat /proc/stat shows that
it fluctuates +/- 1 second from time to time, on both UP and SMP (running
2.1.129 and 2.1.130 and 2.1.126).
Regards,
Tigran
PS. Thanks to someone who mentioned watch(1) command here today. I did not know
it existed and was about to write one (actually, I did for a particular case
that I needed to watch)!
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